From: kernel test robot <lkp@intel.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org
Subject: drivers/video/fbdev/omap/lcd_mipid.c:451:23: sparse: sparse: cast to restricted __be32
Date: Sun, 18 Sep 2022 05:18:51 +0800 [thread overview]
Message-ID: <202209180507.z4LLyzZO-lkp@intel.com> (raw)
Hi Arnd,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: a335366bad1364a07f49df9da1fdfa6d411a5f39
commit: 804f7f19c2e2928aeb8eafef8379fe8b8d13f98b fbdev: omap: avoid using mach/*.h files
date: 5 months ago
config: arm-randconfig-s033-20220918 (https://download.01.org/0day-ci/archive/20220918/202209180507.z4LLyzZO-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=804f7f19c2e2928aeb8eafef8379fe8b8d13f98b
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 804f7f19c2e2928aeb8eafef8379fe8b8d13f98b
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash drivers/video/fbdev/omap/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
>> drivers/video/fbdev/omap/lcd_mipid.c:451:23: sparse: sparse: cast to restricted __be32
vim +451 drivers/video/fbdev/omap/lcd_mipid.c
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 444
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 445 static int panel_enabled(struct mipid_device *md)
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 446 {
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 447 u32 disp_status;
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 448 int enabled;
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 449
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 450 mipid_read(md, MIPID_CMD_READ_DISP_STATUS, (u8 *)&disp_status, 4);
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 @451 disp_status = __be32_to_cpu(disp_status);
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 452 enabled = (disp_status & (1 << 17)) && (disp_status & (1 << 10));
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 453 dev_dbg(&md->spi->dev,
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 454 "LCD panel %senabled by bootloader (status 0x%04x)\n",
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 455 enabled ? "" : "not ", disp_status);
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 456 return enabled;
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 457 }
66d2f99d0bb5a2 drivers/video/omap/lcd_mipid.c Imre Deak 2009-09-22 458
:::::: The code at line 451 was first introduced by commit
:::::: 66d2f99d0bb5a2972fb5c1d88b61169510e540d6 omapfb: add support for MIPI-DCS compatible LCDs
:::::: TO: Imre Deak <imre.deak@nokia.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
next reply other threads:[~2022-09-17 21:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-17 21:18 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-09-24 5:23 drivers/video/fbdev/omap/lcd_mipid.c:451:23: sparse: sparse: cast to restricted __be32 kernel test robot
2022-11-11 13:40 kernel test robot
2022-12-09 16:40 kernel test robot
2023-01-21 22:47 kernel test robot
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202209180507.z4LLyzZO-lkp@intel.com \
--to=lkp@intel.com \
--cc=arnd@arndb.de \
--cc=kbuild-all@lists.01.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.